df column mean and count of unique

[SriRajesh]

Ji,
I have below df, and I want to group by coulmn2,column3 and calculate mean of other columns and unique count.

df:
col1 col2   col3  col4  col5
A1     A       x1    3     1
A2     A       x1    2     3
A3     A       x1    4     2
B2     P       x2    3     2
B2     P       x2    1     4
C6     Y       q2    1     4

[python]out:
col2   col3  col4  col5 count
A       x1    3     2      3
P       x2    2     3      2
Y       q2    1     4     1

I use below code but it does not give count

df.groupby(['col2','col3']).mean().reset_index()

But I am getting count.